| Ida | | IE-də (English), EE-dah (German, Swedish, Danish, Dutch, Italian) | English, German, Swedish, Norwegian, Danish, Dutch, Italian, Spanish, Portuguese, Hungarian, Slovene | |
| Ignatz | | - | German | |
| Ilona | | EE-lo-naw (Hungarian), ee-LO-nah (German), EE-lo-nah (Finnish) | Hungarian, German, Finnish, Latvian, Lithuanian, Polish, Czech | |
| Ilsa | | IL-sah | German | |
| Ilse | | IL-sə (German) | German, Dutch | |
| Ima | | - | Dutch, Ancient Germanic | |
| Imke | | IM-kə (Dutch, German) | Frisian, Dutch, German | |
| Immanuel | | - | German, Hebrew, Biblical, Biblical Hebrew | |
| Ina | | EE-nə (English), IE-nə (English), EE-nah (Swedish, Dutch, Limburgish) | English, German, Swedish, Norwegian, Danish, Dutch, Limburgish, Croatian | |
| Ing | | - | Germanic Mythology | |
| Inga | | ING-ah (Swedish), ING-gah (German), EEN-gah (Russian) | Swedish, Danish, Norwegian, Icelandic, Latvian, Lithuanian, German, Russian, Ancient Scandinavian, A | |
| Inge | | ING-e (Danish, Norwegian, Swedish), ING-gə (German), ING-ə (Dutch) | Danish, Norwegian, Swedish, German, Dutch | |
| Ingeborg | | ING-e-bawrk (German) | Swedish, Norwegian, Danish, German | |
| Ingeburg | | ING-e-buwrk (German) | German, Ancient Germanic | |
| Ingo | | ING-go (German) | German, Ancient Germanic | |